Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 8 - Geometry - 8.2 Angles and Their Relationships - 8.2 Exercises: 13

Answer

90$^{\circ}$

Work Step by Step

To find the supplement of an angle simply subtract the given angle from 180$^{\circ}$. 180$^{\circ}$ - 90$^{\circ}$ = 90$^{\circ}$ Therefore the supplement of 90$^{\circ}$ is 90$^{\circ}$.
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